Nomenclatural review of Polyptychoceras and 18 related taxa (Ammonoidea: Diplomoceratidae)

作者: Kenji Ikuno , Hiromichi Hirano

DOI: 10.1007/S13358-015-0081-2

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摘要: The nomenclature of Polyptychoceras, a Late Cretaceous heteromorph ammonite genus, and 18 related taxa is examined with view to clarifying their nomenclatural availability, authors, dates publication, name-bearing types, on the basis International Code Zoological Nomenclature (Fourth Edition). It concluded that one family-group name, four genus-group names, 12 species-group names are currently available. In contrast, Po. subundatum jimboi unavailable. We also showed yubarense had been established by Shimizu (J Shanghai Sci Inst, Sect II, 1(11):159–226, 1935a).

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